Skip to main content

Below Average

#2632 of 2,842 schools in PA

Louis E Dieruff HS

High School · Allentown City SD

815 N Irving St, Allentown, PA 18109

Enrollment

1,857

Student-Teacher

17.2:1

Score

4.1

Grades

9th – 12th

Updated 2022-23

How this school compares

In Allentown

#29 of 34

public schools

Pennsylvania high schools

#597 of 641

In district

#16 of 21

Allentown City SD

Academic growth

7.9 / 10

Very strong

About Louis E Dieruff HS

Louis E Dieruff High School serves 1,857 students in grades 9-12 in Allentown, Pennsylvania, with a student-teacher ratio of 17.2:1 and 108 full-time equivalent teachers. The school operates as a regular public high school within Pennsylvania's mid-size city environment. Academically, Dieruff High School has room for growth, ranking in the 21st percentile among Pennsylvania high schools at #2249 out of 2852 schools statewide.

The school shows stronger performance in English Language Arts, where 50% of students achieve proficiency or above across grade levels, while mathematics presents more significant challenges with 19% of students reaching proficient levels. These results reflect the school's focus on continuing to develop student achievement across core academic areas. The school draws from the surrounding 18109 neighborhood in Lehigh County, an area with a median household income of $53,540 and median home values around $166,400.

The local community of approximately 17,745 residents includes 16% with bachelor's degrees or higher, with a poverty rate of 17.7%. Located on North Irving Street, Dieruff High School serves as an educational cornerstone within Allentown's diverse urban landscape, providing comprehensive high school programming to students from this established Pennsylvania community.

What Parents Should Know

While current test scores at Louis E Dieruff HS are below average, the school shows strong growth metrics — meaning students are making above-average progress year over year. This upward trajectory can be a positive indicator for families who value a school's ability to help students improve, even if absolute scores haven't caught up yet.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress7.9Very Good25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-0.43 pts/yr
Data Period2019–2024
TrendStable
Academics3.6Fair25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency32%
Reading/ELA Proficiency10%
Math vs. State Avg-10 pts
Reading vs. State Avg-54 pts
Overall Proficiency21%
Expected (poverty-adj.)33%
vs. Expected-11.6 pts
Adjusted Percentile17th
College Readiness2.6Needs Improvement30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation3.1%
IB ProgramNo
Resources & Environment2.4Needs Improvement20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio17.2:1
Per-Pupil Spending$15,683

Louis E Dieruff HS — Students at Louis E Dieruff HS score 21% proficient, which is below what's typical for similar communities (expected: 33%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

101.5%

Students qualifying for federal meal assistance

Test Scores PA PSSA (2023-24)

Math Proficiency 27.7%
School
State
42.0%
ELA Proficiency 34.7%
School
State
64.0%

Based on 6 test records from PA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
32%
ELA
44%
2021*
Math
32%
ELA
10%
2024
Math
19.2%
ELA
50%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 7.9/10.

How Louis E Dieruff HS Compares

See how Louis E Dieruff HS performs across key quality dimensions compared to state benchmarks.

Overall Score
4.1/10
7th percentile in PA
Academic
3.6/10
3.6/10
Growth
7.9/10
Above average
Environment
2.4/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
102%
Teaching Staff
17:1 student-teacher ratio
108 teachers

Location

815 N Irving St, Allentown, PA 18109

Nearby Alternatives

Families considering Louis E Dieruff HS may also want to explore other high schools in the area. Building 21 Allentown (rated 6.8/10, 2.1 miles away), which scores notably higher. Additionally, Salisbury SHS (rated 5.7/10, 2.6 miles away), which scores notably higher. For more schools in Allentown, see our Allentown schools guide .

Nearby Schools

20 within 2.5 mi
School Distance Rating
Lincoln Leadership Academy CS Allentown 0.4 mi 5.6
Ritter El Sch Allentown 0.4 mi 4.8
Executive Education Academy CS Allentown 0.6 mi 5.4
Mosser El Sch Allentown 0.9 mi 4.1
THE CUDDLE ZONE LEARNING CENTER Allentown 1.0 mi
Sheridan El Sch Allentown 1.3 mi 4.2
Harrison-Morton MS Allentown 1.4 mi 4.5
Clearview El Sch Bethlehem 1.6 mi 7.1
Roberto Clemente CS Allentown 1.9 mi 5.3
MERCY SPECIAL LEARNING CENTER Allentown 2.2 mi 7.8
Building 21 Allentown Allentown 2.1 mi 6.8
Salisbury El Sch Allentown 2.4 mi 8.8
Roosevelt El Sch Allentown 2.3 mi 3.3
Arts Academy Elementary CS Allentown 2.1 mi 6.1
ST NICHOLAS GREEK ORTHODOX ACADEMY Bethlehem 1.9 mi
ST NICHOLAS GREEK ORTHODOX ACADEMY Bethlehem 1.9 mi
CENTENNIAL SCHOOL LEHIGH UNIV Bethlehem 2.4 mi 8.1
Salisbury SHS Allentown 2.6 mi 5.7
James Buchanan El Sch Bethlehem 2.1 mi 4.7
Francis H Sheckler El Sch Catasauqua 2.5 mi 3.7

Neighborhood Census ACS (2019-2023)

Census data for ZIP 18109 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$55,437

Median Home Value

$180,200

Median Rent

$1,239/mo

Population

18,117

College Educated

19.5%

Homeownership

52.6%

Avg Commute

23.4 min

Poverty Rate

17.9%

Median Age

34.6

Community Profile

The community surrounding Louis E Dieruff HS has a median household income of $55,437. It is a community where 20% of adults hold a bachelor's degree or higher. The median home value in the area is $180,200, with a median rent of $1,239/month. The area has a poverty rate of 17.9%. The average commute for residents is 23 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Baldwin SHS Pittsburgh, PA 4.1
Boyertown Area SHS Boyertown, PA 4.1
Fels Samuel HS Philadelphia, PA 4.0
Franklin Towne CHS Philadelphia, PA 4.0
Red Lion Area SHS Red Lion, PA 4.2
Truman SHS Levittown, PA 4.2

Frequently Asked Questions

Common questions about Louis E Dieruff HS

What grades does Louis E Dieruff HS serve?

Louis E Dieruff HS serves students in grades 9th through 12th.

How many students attend Louis E Dieruff HS?

Louis E Dieruff HS has an enrollment of approximately 1,857 students.

What is the student-teacher ratio at Louis E Dieruff HS?

The student-teacher ratio at Louis E Dieruff HS is 17.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Louis E Dieruff HS rank in PA?

Louis E Dieruff HS is ranked #2632 out of 2,842 schools in PA.

What is Louis E Dieruff HS's MySchoolScout rating?

Louis E Dieruff HS has a composite rating of 4.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Louis E Dieruff HS?

Based on the most recent state assessment data, Louis E Dieruff HS has 27.7% math proficiency and 34.7% reading/ELA proficiency.

Is Louis E Dieruff HS a charter school?

No, Louis E Dieruff HS is not a charter school. It is a traditional public school operated by the local school district.

Is Louis E Dieruff HS a Title I school?

No, Louis E Dieruff HS is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Louis E Dieruff HS?

101.5% of students at Louis E Dieruff HS qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
70 Very Walkable
Transit Score
35 Some Transit
Bike Score
44 Somewhat Bikeable
City Safety
High (1,850/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Allentown). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
1,857
Student-Teacher Ratio
17.2:1
Teachers (FTE)
108
Free/Reduced Lunch
101.5%
Type
regular
Setting
Midsize City
County
Lehigh County
Data Year
2023–2024

District

Allentown City SD
District Enrollment
16,510
Schools in District
21
Per-Pupil Spending
$18,007
District Rank
#16 of 21

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

Related reading

Get school insights in your inbox

New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.

We respect your privacy. Unsubscribe at any time.